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<title>auto basic_outcome_failure_exception_from_error(const EC &amp;) - Boost.Outcome documentation</title>
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  <div class="titlepage"><div><div><h1 style="clear: both"><code>auto basic_outcome_failure_exception_from_error(const EC &amp;)</code></h1></div></div></div>
  <p>Synthesises an exception type from an error type, used by the <a href="../../../reference/types/basic_outcome/failure.html" class="api-reference"><code>exception_type failure() const noexcept</code></a>

observers. ADL discovered. Default
overloads for this function are defined in Outcome for 
<a href="https://en.cppreference.com/w/cpp/error/error_code" class="api-reference" target="_blank"><i class="fa fa-book" aria-hidden="true"></i> <code>std::error_code</code></a>

and <code>boost::system::error_code</code>, these return <code>std::make_exception_ptr(std::system_error(ec))</code>
and <code>boost::copy_exception(boost::system::system_error(ec))</code> respectively.</p>

<p><em>Overridable</em>: Argument dependent lookup.</p>

<p><em>Requires</em>: Nothing.</p>

<p><em>Namespace</em>: Namespace of <code>EC</code> type.</p>

<p><em>Header</em>: <code>&lt;boost/outcome/std_outcome.hpp&gt;</code>, <code>&lt;boost/outcome/boost_outcome.hpp&gt;</code></p>


        </div><p><small>Last revised: February 06, 2019 at 16:50:01 UTC</small></p>
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